Broadcom Seeks To Nix CSR's GPS Patents

Law360, New York (November 1, 2010, 1:09 PM EDT) -- Broadcom Corp. is seeking to invalidate four CSR PLC patents on GPS technology, filing a suit that also takes CSR to task for filing a new infringement suit outside the court that has heard the rest of the companies' long-running battle.

Broadcom filed a declaratory judgment suit Thursday in the U.S. District Court for the Central District of California, the venue where three previous GPS patent suits between Broadcom and CSR are pending.

The suit seeks to invalidate four patents CSR, the parent company of SiRF...
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